Abstract Thermodynamic properties and structural aspects of the nonstoichiometric wustite Fe1-zO, and its modifications - the so-called pseudo-phases - as functions of departure z from stoichiometry and of equilibrium temperature are reviewed from 1960 to present. The complexity of the equilibrium phase diagram is described in some details. The first order transition W ⇆ W′ is specified on the iron/wustite boundary near 1185 K. Transitions correlated to the modifications Wi at T(W) > 1185 K and W'j at T(W′)

中文翻译：

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方铁矿 Fe 1- O 的复杂非化学计量：综述和评论

摘要 回顾了 1960 年至今的非化学计量方方铁矿 Fe1-zO 的热力学性质和结构方面及其变体——所谓的假相——作为 z 偏离化学计量和平衡温度的函数。在一些细节中描述了平衡相图的复杂性。一阶跃迁 W ⇆ W' 指定在 1185 K 附近的铁/方铁体边界上。 跃迁与 T(W) > 1185 K 处的修改 Wi 和 T(W') 处的 W'j 相关